Thanks for your reply. What I want to track is when a visitor optin to my list, and the program sees it as a duplicate email. I need to know that as a log. So there is no way to check the log? Any workaround for this?
@Joseph - I see, in this case, why not simply use the list feature that allows you to redirect to certain url if the email exists in a list?
You can redirect with the query params, like ?email=[EMAAIL] and you can grab the email in the redirect page and use it for logging.
